Cucurbit[8]uril

3,5,8,10,13,15,18,20,23,25,28,30,33,35,38,40,41,43,45,47,51,53,55,57,59,61,63,65,67,69,71,73-dotriacontazapentacosacyclo[35.3.3.36,7.311,12.316,17.321,22.326,27.331,32.22,41.236,43.13,40.15,8.110,13.115,18.120,23.125,28.130,33.135,38.145,51.147,73.153,55.157,59.161,63.165,67.169,71]octacontane-44,46,48,49,50,52,54,56,58,60,62,64,66,68,70,72-hexadecone

C1N2C3C4N (C2=O) CN5C6C7N (C5=O) CN8C9C2N (C8=O) CN5C8C%10N (C5=O) CN5C%11C%12N (C5=O) CN5C%13C%14N (C5=O) CN5C%15C%16N (C5=O) CN5C%17C (N1C5=O) N1CN3C (=O) N4CN6C (=O) N7CN9C (=O) N2CN8C (=O) N%10CN%11C (=O) N%12CN%13C (=O) N%14CN%15C (=O) N%16CN%17C1=O